Germain Sommeiller (February 15, 1815 – July 11, 1871) was a

civil engineer A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing ...

from

Savoy Savoy (; frp, Savouè ; french: Savoie ) is a cultural-historical region in the Western Alps. Situated on the cultural boundary between Occitania and Piedmont, the area extends from Lake Geneva in the north to the Dauphiné in the south. Sa ...

. He directed the construction of the Fréjus Rail Tunnel between France and Italy, also known as the Mont Cenis Tunnel. This was the first of a series of major tunnels built in the late 19th century to connect northern and southern Europe through the

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Sw ...

. Sommeiller pioneered the use of pneumatic drilling and

dynamite Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay), and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, Northern Germany, and patented in 1867. It rapidl ...

to achieve record-breaking excavation speeds. This 12.8-km tunnel was completed on December 26, 1870, 11 years ahead of schedule. It remained the longest tunnel in the world until the opening of the

Gotthard Rail Tunnel , it, Galleria del San Gottardo , other_name = , line = Gotthard Line , location = Traversing the Saint-Gotthard Massif in the middle of the Swiss Alps , coordinates = , os_grid_ref = , status = , system ...

in 1882.

Life

Germain Sommeiller was born in Saint-Jeoire (now part of

Haute-Savoie Haute-Savoie (; Arpitan: ''Savouè d'Amont'' or ''Hiôta-Savouè''; en, Upper Savoy) or '; it, Alta Savoia. is a department in the Auvergne-Rhône-Alpes region of Southeastern France, bordering both Switzerland and Italy. Its prefecture is Ann ...

, France) on February 15, 1815. He graduated in civil engineering at the

University of Turin The University of Turin (Italian language, Italian: ''Università degli Studi di Torino'', UNITO) is a public university, public research university in the city of Turin, in the Piedmont (Italy), Piedmont region of Italy. It is one of the List ...

in 1841. He became a Royal Civil Engineer in the Public Transport Department of Savoy in 1845. From 1846 to 1850 he worked for the Cockerill steel company in

Liège Liège ( , , ; wa, Lîdje ; nl, Luik ; german: Lüttich ) is a major city and municipality of Wallonia and the capital of the Belgian province of Liège. The city is situated in the valley of the Meuse, in the east of Belgium, not far fro ...

, which helped build the

Belgian Belgian may refer to: * Something of, or related to, Belgium * Belgians, people from Belgium or of Belgian descent * Languages of Belgium, languages spoken in Belgium, such as Dutch, French, and German *Ancient Belgian language, an extinct languag ...

rail network. He met his future partner Sebastiano Grandis there. He then returned to Savoy as assistant to the Belgian engineer Henri Maus, who directed construction of the

Turin Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...

Genoa Genoa ( ; it, Genova ; lij, Zêna ). is the capital of the Italian region of Liguria and the sixth-largest city in Italy. In 2015, 594,733 people lived within the city's administrative limits. As of the 2011 Italian census, the Province of ...

railway. He was noticed for outstanding technical skills, so when king

Vittorio Emanuele II en, Victor Emmanuel Maria Albert Eugene Ferdinand Thomas , house = Savoy , father = Charles Albert of Sardinia , mother = Maria Theresa of Austria , religion = Roman Catholicism , image_size = 252px , succession ...

decided to build the

Mont Cenis Tunnel Mont may refer to: Places * Mont., an abbreviation for Montana, a U.S. state * Mont, Belgium (disambiguation), several places in Belgium * Mont, Hautes-Pyrénées, a commune in France * Mont, Pyrénées-Atlantiques, a commune in France * Mont, Sa� ...

between

Bardonecchia Bardonecchia (; french: Bardonèche or ; pms, Bardonecia ; oc, Bardonescha ) is an Italian town and ''comune'' located in the Metropolitan City of Turin, in the Piedmont region, in the western part of Susa Valley. It grew out of a small village ...

and

Modane Modane (; ) is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in southeastern France. The commune is in the Maurienne Valley, and it also belongs to the Vanoise National Park. It was part of the Kingdom of Sardinia unti ...

in 1857, Sommeiller was appointed head of design and construction. His collaborators were the Italian engineers Sebastiano Grandis and Severino Grattoni. He patented the pneumatic rock-drilling machine, used in the tunnelling works, based on the invention of Giovanni Battista Piatti.

Politics

When Savoy was

annexed Annexation (Latin ''ad'', to, and ''nexus'', joining), in international law, is the forcible acquisition of one state's territory by another state, usually following military occupation of the territory. It is generally held to be an illegal act ...

to France in 1860, Someiller chose to become an Italian rather than a French citizen. He was subsequently elected a member of the first

Italian Parliament The Italian Parliament ( it, Parlamento italiano) is the national parliament of the Italian Republic. It is the representative body of Italian citizens and is the successor to the Parliament of the Kingdom of Italy (1861–1943), the transitio ...

Death

Germain Sommeiller died in his native town of Saint-Jeoire on July 11, 1871, six months after the December 1870 completion of the tunnel. Pointe Sommeiller, a 3332-meter-high peak in the

Cottian Alps The Cottian Alps (; french: Alpes Cottiennes ; it, Alpi Cozie ) are a mountain range in the southwestern part of the Alps. They form the border between France (Hautes-Alpes and Savoie) and Italy (Piedmont). The Fréjus Road Tunnel and Fréjus Ra ...

, and Col Sommeiller, the nearby mountain pass linking

Bramans Bramans is a former commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 January 2017, it was merged into the new commune Val-Cenis.Bardonecchia Bardonecchia (; french: Bardonèche or ; pms, Bardonecia ; oc, Bardonescha ) is an Italian town and ''comune'' located in the Metropolitan City of Turin, in the Piedmont region, in the western part of Susa Valley. It grew out of a small village ...

, Italy, were named in his honour. Several streets in Savoy cities such as

Annecy Annecy ( , ; frp, Èneci or ) is the prefecture and largest city of the Haute-Savoie department in the Auvergne-Rhône-Alpes region of Southeastern France. It lies on the northern tip of Lake Annecy, south of Geneva, Switzerland. Nickname ...

also bear Sommeiller's name.

References

External links

Germain Sommeiller , Britannica
{{DEFAULTSORT:Sommeiller, Germain 1815 births 1871 deaths Italian engineers Italian people in rail transport University of Turin alumni Deputies of Legislature V of the Kingdom of Sardinia People from Haute-Savoie